title: Comparison of the effects of placebo and encainide on programmed electrical stimulation and ventricular arrhythmia frequency.
mesh_terms: D000368:Aged; D000813:Anilides / Q000627:therapeutic use*; D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D002304:Cardiac Pacing, Artificial; D004594:Electrophysiology; D016700:Encainide; D005080:Exercise Test; D006329:Heart Conduction System / Q000187:drug effects; D006801:Humans; D008875:Middle Aged; D008991:Monitoring, Physiologic; D009200:Myocardial Contraction / Q000187:drug effects; D010919:Placebos; D011897:Random Allocation; D013997:Time Factors
chemical_list: D000813:Anilides; D000889:Anti-Arrhythmia Agents; D010919:Placebos; D016700:Encainide